Removed unused "--upstream" command line option.

auto/sources

@@ -74,7 +74,6 @@ NXT_LIB_SRCS=" \
     src/nxt_runtime.c \
     src/nxt_conf.c \
     src/nxt_conf_validation.c \
-    src/nxt_stream_module.c \
     src/nxt_main_process.c \
     src/nxt_worker_process.c \
     src/nxt_controller.c \
@@ -91,6 +90,7 @@ NXT_LIB_SRCS=" \
 NXT_LIB_SRC0=" \
     src/nxt_buf_filter.c \
     src/nxt_job_file.c \
+    src/nxt_stream_module.c \
     src/nxt_stream_source.c \
     src/nxt_upstream_source.c \
     src/nxt_http_source.c \

src/nxt_runtime.c

@@ -872,20 +872,6 @@ nxt_runtime_conf_read_cmd(nxt_task_t *task, nxt_runtime_t *rt)
             continue;
         }
 
-        if (nxt_strcmp(p, "--upstream") == 0) {
-            if (*argv == NULL) {
-                nxt_alert(task, "no argument for option \"--upstream\"");
-                return NXT_ERROR;
-            }
-
-            p = *argv++;
-
-            rt->upstream.length = nxt_strlen(p);
-            rt->upstream.start = (u_char *) p;
-
-            continue;
-        }
-
         if (nxt_strcmp(p, "--user") == 0) {
             if (*argv == NULL) {
                 write(STDERR_FILENO, no_user, nxt_length(no_user));

src/nxt_runtime.h

@@ -74,7 +74,6 @@ struct nxt_runtime_s {
 
     nxt_sockaddr_t         *controller_listen;
     nxt_listen_socket_t    *controller_socket;
-    nxt_str_t              upstream;
 };